4339989 has 12 divisors (see below), whose sum is σ = 6438796. Its totient is φ = 2814912.

The previous prime is 4339963. The next prime is 4340003. The reversal of 4339989 is 9899334.

It can be written as a sum of positive squares in 2 ways, for example, as 3359889 + 980100 = 1833^2 + 990^2 .

It is not a de Polignac number, because 4339989 - 2⁵ = 4339957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4339919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6184 + ... + 6849.

Almost surely, 2^4339989 is an apocalyptic number.

It is an amenable number.

4339989 is a deficient number, since it is larger than the sum of its proper divisors (2098807).

4339989 is a wasteful number, since it uses less digits than its factorization.

4339989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076 (or 13073 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 4339989 is about 2083.2640255138. The cubic root of 4339989 is about 163.1158672828.

The spelling of 4339989 in words is "four million, three hundred thirty-nine thousand, nine hundred eighty-nine".